My tablet when i try to update or add a appsays insufficient storage

[AC Question]

My tablet when i try to download a app or uupdate one says insufficant storage but tablet has six gigs and external memory card how do you fix this

 

[dant1127]

My tablet when i try to download a app or uupdate one says insufficant storage but tablet has six gigs and external memory card how do you fix this

When you say it has 6 gigs, is that total storage, or is that what is free?